Most stones were pulled straight out of the quarry and straight up the pyramid in almost all probability. You need to concentrate on the bulk of the stones and not the causeway. Do you dispute the quarry was just south of the pyramid?
It's not that I am fixated on the Causeway. Building a Pyramid with "just in time Inventory" was not taking place, in my opinion. It is easier to pull a stone downhill, than it is up a hill. I am sure you don't deny that. So, if they were amassing inventory for the build, they would haul them downhill, close to the Nile, to be placed eventually on a Funicular Barge. This was happening , while they were building the Causeway for 10 years. Once the Causeway was finished, and they had cut a great deal of stone, the Pyramid build started. Connecting one Barge at the bottom of the Causeway, to another Barge in front of it, takes no effort. Your just connecting rope, from one to the other. The water does the rest. There was stone pulling to build the Causeway. No way around that.
Not sure why you insist on pulling stones uphill, when it's not necessary. It's not as if they're going to be late to a dance... If they had lubricated track in place leading down hill, gravity would work for you, and not against you. As I said, if the angle down hill was to steep, you might find yourself running after the stone, trying to recapture the ropes once again, hollering at you comrades below....Look out! We have a lose one on it way. LOL.
Seriously, the track could have leveled out at the bottom, and after pushing the stone on it's way, it would simply coast to a stop. I prefer doing it this way. Sounds allot easier than struggling up hill. They had 10 years to figure this out.